import logging

import triton
import triton.language as tl

from ..utils.pointwise_dynamic import pointwise_dynamic

logger = logging.getLogger("flag_gems").getChild(__name__.lstrip("."))


@pointwise_dynamic(is_tensor=[True, False], promotion_methods=[(0, "INT_TO_FLOAT")])
@triton.jit
def cos_func(x, inplace):
    return tl.cos(x.to(tl.float32))


def cos(A):
    logger.debug("GEMS_CAMBRICON COS")
    return cos_func(A, False)


def cos_(A):
    logger.debug("GEMS_CAMBRICON COS_")
    cos_func(A, True, out0=A)
    return A
